Senilife is a nutritional supplement containing a unique blend of antioxidants that support brain function in elderly dogs. In as little as 7 days, Senilife can help reduce changes in behavior related to aging. This capsule can provide an improved quality of life for your pet and reduce the need for age-related dependencies. Senilife is safe and formulated for long-term use and is available in 30 ct bottles. The standard is for dogs of all weights, and the XL is for larger dogs.